Keast & Hood Structural Engineers

Expertise

Building Envelope

Enhancing the performance and longevity of buildings through intentional enclosure investigation and design.

Our building envelope consulting services are rooted in a holistic understanding of how material behaviors, assembly design, exterior lifecycles, and environmental factors affect a building over time. From historic masonry façades to contemporary curtainwalls and complex roofing systems, we work closely with architects, owners, property managers, and institutions to evaluate and strengthen a building’s exterior performance. Our work spans both new and old buildings, and includes façade ordinance inspections, detailed condition assessments, waterproofing and roofing consulting, and repair design for vertical and horizontal enclosure systems. Whether investigating water intrusion or preparing long-term restoration plans, we help identify vulnerabilities and develop practical, durable, and context-sensitive solutions. Our team combines hands-on field expertise, including SPRAT-certified industrial rope access methods and a deep understanding of optimal construction assemblies, allowing us to recommend repair strategies that consider constructability, longevity, and architectural integrity. Our approach is rooted in collaboration, responsive design support, and a commitment to maintaining and enhancing building performance at every stage.

Our Building Envelope Work

University of Pennsylvania Quadrangle Renovations

Building Envelope

University of Pennsylvania Quadrangle Renovations

The Poplar

Building Envelope

The Poplar

Arden-Diman-Eccles Dormitories | St. George's School

Building Envelope

Arden-Diman-Eccles Dormitories | St. George's School

Academy of Music for the 21st Century

Building Envelope

Academy of Music for the 21st Century

Broad Street Love

Building Envelope

Broad Street Love

Philadelphia City Hall

Building Envelope

Philadelphia City Hall

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